펄프종이기술 (Journal of Korea Technical Association of The Pulp and Paper Industry)

한국펄프종이공학회 (Korea Technical Association of the Pulp and Paper Industry)
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HPLC를 이용한 Hw-BKP 섬유에 흡착된 헤미셀룰로오스의 정량 평가

The Quantitative Determination of Hemicelluloses Adsorbed on Hw-BKP Using HPLC

  • 이상훈 (서울대학교 농업생명과학대학 산림과학부 환경재료과학전공 및 농업생명과학연구원) ;
  • 이학래 (서울대학교 농업생명과학대학 산림과학부 환경재료과학전공 및 농업생명과학연구원) ;
  • 윤혜정 (서울대학교 농업생명과학대학 산림과학부 환경재료과학전공 및 농업생명과학연구원)
  • Lee, Sang-Hoon (Department of Forest Sciences, College of Agriculture and Life Sciences, Seoul National University) ;
  • Lee, Hak-Lae (Department of Forest Sciences, College of Agriculture and Life Sciences, Seoul National University) ;
  • Youn, Hye-Jung (Department of Forest Sciences, College of Agriculture and Life Sciences, Seoul National University)
  • 발행 : 2008.12.31
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초록

Adsorption of xylans extracted from birchwood and oat spelt on Hw-BKP were analyzed using HPLC. The effect of xylan adsorption on paper properties such as tensile, tear index and brightness was also investigated. The constituents of xylan was analyzed with HPLC after hydrolysis with dilute sulfuric acid. It was shown that xylose was the major constituent and small amounts of glucose and galactose were contained in the xylan samples. Adsorption of xylan on hardwood fibers was evaluated using acid hydrolysis and HPLC techniques. Results showed that the adsorption of negatively charged xylan on the fiber surface was negligible probably because electrostatic repulsion between these two materials. Pretreatment of the fiber with alum increased xylan adsorption. The amount of adsorption increased up to 30 mg/g. With the increase of xylan adsorption both tensile and tear strength of the handsheet increased suggesting xylan can be a very effective strength agents for papermaking. Brightness of the handsheets decreased, however, with the use of xylan.

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참고문헌

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